Remove unused function room.edge_position

room.lua

@@ -12,21 +12,6 @@ local room = entity:from{
     objects = {},
 }
 
-function edge_position(e)
-    local wd = screen.width - e.width
-    local hd = screen.height - e.height
-
-    local t = {
-        ['left'] = { 0, hd/2 },
-        ['right'] = { wd, hd/2 },
-        ['up'] = { wd/2, 0 },
-        ['down'] = { wd/2, hd },
-    }
-
-    local p = t[e.dir]
-    return p[1], p[2]
-end
-
 function room:insert(obj)
     table.insert(self.objects, obj)
     obj.idx = #self.objects